FrameworkTechniqueGrowth and business modelsTechnologyProduct
A platform sets rules for a transaction it does not perform
The idea
The book's mechanics of two-sided markets answer questions that pitch decks blur. A platform does not make the thing or do the service; it sets the rules under which two sides find each other and transact, and it chooses which side pays. One side is often priced at zero because its presence is what the other side is paying for. A network effect is not a large user count; it is the specific way each additional user on one side makes the platform more valuable to the other. Being able to say which side subsidises which is what separates a platform analysis from a user-growth chart.
Name the two sides, say which one pays and why, and describe exactly how one side's growth helps the other.
When it works
Marketplace and platform pitches, product strategy questions, and the marketplace model.
When it may fail
Not every multi-sided business has a real cross-side effect, and some platforms are intermediaries that can be disintermediated the moment both sides know each other. The test is whether the effect survives that.
How to use it
Run the Marketplace Economics lab and name the subsidised side before touching take rate. Then describe the cross-side effect in a sentence: more sellers lower search cost for buyers, and more buyers raise fill rate for sellers.
Where it came from
Book Platform Revolution · Geoffrey Parker, Marshall Van Alstyne and Sangeet Paul Choudary
What the source says. The mechanics of two-sided markets: who subsidises whom, why one side is priced at zero, and what actually creates a network effect as opposed to a large user count.
Connected ideas
Takes it further
Network effects start in one small market, never across the whole oneJudge a network by whether its first small market is dense and self-sustaining, not by the size of the market it aims at.
Says something similar
Competition and profit rarely occupy the same marketAsk how a business escapes competition before asking how large its market is.
Puts it to work
Forgo the revenue you could capture if the platform grows more by letting others earn itA platform that lets others earn on it grows faster than one that captures every dollar; the forgone revenue is the investment.
Concepts
Put it to work on L3VLUP
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